joshpowlison/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>Setting a variable in a check makes .test faster than .indexOf</title>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script>
	<script src="./suite.js"></script>
</head>
<body>
	<h1>Open the console to view the results</h1>
	<h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2>
</body>
</html>

## suite.js
"use strict";

(function (factory) {
	if (typeof Benchmark !== "undefined") {
		factory(Benchmark);
	} else {
		factory(require("benchmark"));
	}
})(function (Benchmark) {
	var suite = new Benchmark.Suite;

	Benchmark.prototype.setup = function () {
		var input="xxxxxxxxxxxxxxxxabcxxxxxxxxxxx";
		var potato;
	};


	suite.add("Regex; adjust input", function () {
		//Regex; adjust input
		if (/abc/.test(input) !== false) {
		    input="test";
		}
	});

	suite.add("indexOf; adjust input", function () {
		//indexOf; adjust input
		if(input.indexOf("abc")!==-1) {
		    input="test";
		}
	});

	suite.add("Regex; do nothing", function () {
		//Regex; do nothing
		if (/abc/.test(input) !== false) {
		}
	});

	suite.add("indexOf; do nothing", function () {
		//indexOf; do nothing
		if(input.indexOf("abc")!==-1) {
		}
	});

	suite.add("Regex; adjust other", function () {
		//Regex; adjust other
		if (/abc/.test(input) !== false) {
		    potato="test";
		}
	});

	suite.add("indexOf; adjust other", function () {
		//indexOf; adjust other
		if(input.indexOf("abc")!==-1) {
		    potato="test";
		}
	});

	suite.on("cycle", function (evt) {
		console.log(" - " + evt.target);
	});

	suite.on("complete", function (evt) {
		console.log(new Array(30).join("-"));

		var results = evt.currentTarget.sort(function (a, b) {
			return b.hz - a.hz;
		});

		results.forEach(function (item) {
			console.log((idx + 1) + ". " + item);
		});
	});

	console.log("Setting a variable in a check makes .test faster than .indexOf");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>Setting a variable in a check makes .test faster than .indexOf</title>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script>
	<script src="./suite.js"></script>
	</head>
	<body>
	<h1>Open the console to view the results</h1>
	<h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2>
	</body>
	</html>
	"use strict";

	(function (factory) {
	if (typeof Benchmark !== "undefined") {
	factory(Benchmark);
	} else {
	factory(require("benchmark"));
	}
	})(function (Benchmark) {
	var suite = new Benchmark.Suite;

	Benchmark.prototype.setup = function () {
	var input="xxxxxxxxxxxxxxxxabcxxxxxxxxxxx";
	var potato;
	};


	suite.add("Regex; adjust input", function () {
	//Regex; adjust input
	if (/abc/.test(input) !== false) {
	input="test";
	}
	});

	suite.add("indexOf; adjust input", function () {
	//indexOf; adjust input
	if(input.indexOf("abc")!==-1) {
	input="test";
	}
	});

	suite.add("Regex; do nothing", function () {
	//Regex; do nothing
	if (/abc/.test(input) !== false) {
	}
	});

	suite.add("indexOf; do nothing", function () {
	//indexOf; do nothing
	if(input.indexOf("abc")!==-1) {
	}
	});

	suite.add("Regex; adjust other", function () {
	//Regex; adjust other
	if (/abc/.test(input) !== false) {
	potato="test";
	}
	});

	suite.add("indexOf; adjust other", function () {
	//indexOf; adjust other
	if(input.indexOf("abc")!==-1) {
	potato="test";
	}
	});

	suite.on("cycle", function (evt) {
	console.log(" - " + evt.target);
	});

	suite.on("complete", function (evt) {
	console.log(new Array(30).join("-"));

	var results = evt.currentTarget.sort(function (a, b) {
	return b.hz - a.hz;
	});

	results.forEach(function (item) {
	console.log((idx + 1) + ". " + item);
	});
	});

	console.log("Setting a variable in a check makes .test faster than .indexOf");
	console.log(new Array(30).join("-"));
	suite.run();
	});